Consider the hospital emergency room data displayed below. Let A denote the event that a visit is to hospital 4, and let B denote the event that a visit results in LWBS (at any hospital). Determine the following probabilities. Round your answer to three decimal places (e.g. 0.987). Hospital 1 2 3 4 Total LWBS 198 272 250 240 960 Admitted. 1278 1553 661 980 4472 Not 3821 5165 4730 3110 16826 admitted Total 5297 6990 5641 4330 22258